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Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation
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| Zeitschriftentitel: | The Journal of Experimental Medicine |
|---|---|
| Personen und Körperschaften: | , , , , , , , |
| In: | The Journal of Experimental Medicine, 188, 1998, 5, S. 819-831 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Rockefeller University Press
|
| Schlagwörter: |
| author_facet |
Lankar, Danielle Briken, Volker Adler, Kristin Weiser, Peter Cassard, Sylvanie Blank, Ulrich Viguier, Mireille Bonnerot, Christian Lankar, Danielle Briken, Volker Adler, Kristin Weiser, Peter Cassard, Sylvanie Blank, Ulrich Viguier, Mireille Bonnerot, Christian |
|---|---|
| author |
Lankar, Danielle Briken, Volker Adler, Kristin Weiser, Peter Cassard, Sylvanie Blank, Ulrich Viguier, Mireille Bonnerot, Christian |
| spellingShingle |
Lankar, Danielle Briken, Volker Adler, Kristin Weiser, Peter Cassard, Sylvanie Blank, Ulrich Viguier, Mireille Bonnerot, Christian The Journal of Experimental Medicine Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation Immunology Immunology and Allergy |
| author_sort |
lankar, danielle |
| spelling |
Lankar, Danielle Briken, Volker Adler, Kristin Weiser, Peter Cassard, Sylvanie Blank, Ulrich Viguier, Mireille Bonnerot, Christian 0022-1007 1540-9538 Rockefeller University Press Immunology Immunology and Allergy http://dx.doi.org/10.1084/jem.188.5.819 <jats:p>Stimulation of CD4+ helper T lymphocytes by antigen-presenting cells requires the degradation of exogenous antigens into antigenic peptides which associate with major histocompatibility complex (MHC) class II molecules in endosomal or lysosomal compartments. B lymphocytes mediate efficient antigen presentation first by capturing soluble antigens through clonally distributed antigen receptors (BCRs), composed of membrane immunoglobulin (Ig) associated with Ig-α/Ig-β heterodimers which, second, target antigens to MHC class II–containing compartments. We report that antigen internalization and antigen targeting through the BCR or its Ig-α–associated subunit to newly synthesized class II lead to the presentation of a large spectrum of T cell epitopes, including some cryptic T cell epitopes. To further characterize the intracellular mechanisms of BCR-mediated antigen presentation, we used two complementary experimental approaches: mutational analysis of the Ig-α cytoplasmic tail, and overexpression in B cells of dominant negative syk mutants. Thus, we found that the syk tyrosine kinase, an effector of the BCR signal transduction pathway, is involved in the presentation of peptide– MHC class II complexes through antigen targeting by BCR subunits.</jats:p> Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation The Journal of Experimental Medicine |
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Rockefeller University Press, 1998 |
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Rockefeller University Press, 1998 |
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0022-1007 1540-9538 |
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49 |
| title |
Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation |
| title_unstemmed |
Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation |
| title_full |
Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation |
| title_fullStr |
Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation |
| title_full_unstemmed |
Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation |
| title_short |
Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation |
| title_sort |
syk tyrosine kinase and b cell antigen receptor (bcr) immunoglobulin-α subunit determine bcr-mediated major histocompatibility complex class ii–restricted antigen presentation |
| topic |
Immunology Immunology and Allergy |
| url |
http://dx.doi.org/10.1084/jem.188.5.819 |
| publishDate |
1998 |
| physical |
819-831 |
| description |
<jats:p>Stimulation of CD4+ helper T lymphocytes by antigen-presenting cells requires the degradation of exogenous antigens into antigenic peptides which associate with major histocompatibility complex (MHC) class II molecules in endosomal or lysosomal compartments. B lymphocytes mediate efficient antigen presentation first by capturing soluble antigens through clonally distributed antigen receptors (BCRs), composed of membrane immunoglobulin (Ig) associated with Ig-α/Ig-β heterodimers which, second, target antigens to MHC class II–containing compartments. We report that antigen internalization and antigen targeting through the BCR or its Ig-α–associated subunit to newly synthesized class II lead to the presentation of a large spectrum of T cell epitopes, including some cryptic T cell epitopes. To further characterize the intracellular mechanisms of BCR-mediated antigen presentation, we used two complementary experimental approaches: mutational analysis of the Ig-α cytoplasmic tail, and overexpression in B cells of dominant negative syk mutants. Thus, we found that the syk tyrosine kinase, an effector of the BCR signal transduction pathway, is involved in the presentation of peptide– MHC class II complexes through antigen targeting by BCR subunits.</jats:p> |
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| author | Lankar, Danielle, Briken, Volker, Adler, Kristin, Weiser, Peter, Cassard, Sylvanie, Blank, Ulrich, Viguier, Mireille, Bonnerot, Christian |
| author_facet | Lankar, Danielle, Briken, Volker, Adler, Kristin, Weiser, Peter, Cassard, Sylvanie, Blank, Ulrich, Viguier, Mireille, Bonnerot, Christian, Lankar, Danielle, Briken, Volker, Adler, Kristin, Weiser, Peter, Cassard, Sylvanie, Blank, Ulrich, Viguier, Mireille, Bonnerot, Christian |
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| description | <jats:p>Stimulation of CD4+ helper T lymphocytes by antigen-presenting cells requires the degradation of exogenous antigens into antigenic peptides which associate with major histocompatibility complex (MHC) class II molecules in endosomal or lysosomal compartments. B lymphocytes mediate efficient antigen presentation first by capturing soluble antigens through clonally distributed antigen receptors (BCRs), composed of membrane immunoglobulin (Ig) associated with Ig-α/Ig-β heterodimers which, second, target antigens to MHC class II–containing compartments. We report that antigen internalization and antigen targeting through the BCR or its Ig-α–associated subunit to newly synthesized class II lead to the presentation of a large spectrum of T cell epitopes, including some cryptic T cell epitopes. To further characterize the intracellular mechanisms of BCR-mediated antigen presentation, we used two complementary experimental approaches: mutational analysis of the Ig-α cytoplasmic tail, and overexpression in B cells of dominant negative syk mutants. Thus, we found that the syk tyrosine kinase, an effector of the BCR signal transduction pathway, is involved in the presentation of peptide– MHC class II complexes through antigen targeting by BCR subunits.</jats:p> |
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| spelling | Lankar, Danielle Briken, Volker Adler, Kristin Weiser, Peter Cassard, Sylvanie Blank, Ulrich Viguier, Mireille Bonnerot, Christian 0022-1007 1540-9538 Rockefeller University Press Immunology Immunology and Allergy http://dx.doi.org/10.1084/jem.188.5.819 <jats:p>Stimulation of CD4+ helper T lymphocytes by antigen-presenting cells requires the degradation of exogenous antigens into antigenic peptides which associate with major histocompatibility complex (MHC) class II molecules in endosomal or lysosomal compartments. B lymphocytes mediate efficient antigen presentation first by capturing soluble antigens through clonally distributed antigen receptors (BCRs), composed of membrane immunoglobulin (Ig) associated with Ig-α/Ig-β heterodimers which, second, target antigens to MHC class II–containing compartments. We report that antigen internalization and antigen targeting through the BCR or its Ig-α–associated subunit to newly synthesized class II lead to the presentation of a large spectrum of T cell epitopes, including some cryptic T cell epitopes. To further characterize the intracellular mechanisms of BCR-mediated antigen presentation, we used two complementary experimental approaches: mutational analysis of the Ig-α cytoplasmic tail, and overexpression in B cells of dominant negative syk mutants. Thus, we found that the syk tyrosine kinase, an effector of the BCR signal transduction pathway, is involved in the presentation of peptide– MHC class II complexes through antigen targeting by BCR subunits.</jats:p> Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation The Journal of Experimental Medicine |
| spellingShingle | Lankar, Danielle, Briken, Volker, Adler, Kristin, Weiser, Peter, Cassard, Sylvanie, Blank, Ulrich, Viguier, Mireille, Bonnerot, Christian, The Journal of Experimental Medicine, Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation, Immunology, Immunology and Allergy |
| title | Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation |
| title_full | Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation |
| title_fullStr | Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation |
| title_full_unstemmed | Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation |
| title_short | Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation |
| title_sort | syk tyrosine kinase and b cell antigen receptor (bcr) immunoglobulin-α subunit determine bcr-mediated major histocompatibility complex class ii–restricted antigen presentation |
| title_unstemmed | Syk Tyrosine Kinase and B Cell Antigen Receptor (BCR) Immunoglobulin-α Subunit Determine BCR-mediated Major Histocompatibility Complex Class II–restricted Antigen Presentation |
| topic | Immunology, Immunology and Allergy |
| url | http://dx.doi.org/10.1084/jem.188.5.819 |